I wasn't advocating for just high MCAT and GPA scores. I'm saying they're going to pick the candidates that have it all- research, high GPA, high MCAT, high-tier undergrad- over the average but passionate guy any day, because they should, regardless of if Mr. Perfect Applicant is lukewarm about medicine, because he's probably got a much higher chance of doing great things due to his competitive drive and perfectionism than Mr. Average Altruist will with his good intentions.
The academic physicians I worked with were required to publish research. It wasn't an option to not do so- they would lose their post if they didn't produce regularly, and all of them had active projects. So I don't get where this whole "only MD/PhDs do research" idea is coming from. They did a lot of work on everything from ECMO survival in pandemic flu to novel ventilation strategies in post-surgical patients to creating an optimized system for weaning ventilated pediatric patients. And this is just the stuff I can think of off of the top of my head. One of those MDs didn't particularly like the field- he was in it for the power trip and prestige, and didn't seem to give a damn about the patients so long as they lived- but his research in the surgical field was top-notch. I'd take a guy like him getting a seat in med school over some average passionate applicant that wants to do rural FP practice any day, because that guy's research saved literally hundreds of lives at my hospital over the years I worked there.